With stores like Costco now offering 80-inch televisions, are consumers going for wow-factor TVs that don't actually enhance their viewing experience? WSJ's Jason Bellini has "The Short Answer."

This transcript has been automatically generated and may not be 100% accurate.

... I ... the weekend the Super Bowl I spotted this beauty at Costco ... and eighty ensure ... and then there's this ... Panasonic is now offering a hundred fifty two inch set ... for mere half million dollars ... insulation not include ... the Kelly wondering our living room TV is growing bigger and they really need to be ... in terms of the visual experience are we approaching the point of diminishing returns ... here's the short answer ... there was tons of research on optimal screen size in terms of ... human physiology ... but there's no consensus among video files on the perfect screen size to viewing distance ratio ... the spot but the awful viewing distance of roughly one point five times the political wing of the screen ... the Consumer Electronics Association goes with two times the distance ... now what what people are actually buying out there ... in two thousand eleven nearly a million people bought screens larger than sixteen inches ... the CA predicts that number will grow to two point three million people this year ... at sixty inches you should be according to see a ... ten feet from the TV ... most part was bought ... by two thousand thirteen the average TV size will be forty inches nearly double that of the late nineties but still well below what most people can handle in terms of their living space ... even someone like me living in your ... turns out that the Indians TV if you can get just thirty feet away from it could offer a superior immersive experience ... the next generation HD runs through a good movie theaters a run for their money ... the digital projectors used by came C R ... four thousand ninety six bike twenty one sixty lines of resolution where higher than today's HD format ... but new four K HD sets will be approaching cinema level resolution ... making giant screens even crisper ... than shorting that this is a concert from Anasta cancellation ... so the short answer ... is not to showing off ... in terms of his eyes are watching the Super Bowl ... most of his hand and eventually will keep going ... bigger ...